logo image
Nonmetals and Metalloids

Examples of
Multiple Choice Questions

Some element groups of the periodic table are more likely to contain elements that are gases than other groups. Which of the following groups contains the greatest number of gaseous elements?
(a) IA
(b) IIA
(c) IVA
(d) VIA
(e) VIII (or 0)

Which of the following is NOT true for the halogens?
(a) They are nonmetals.
(b) They show the -1 oxidation number in most of their compounds.
(c) The electronic configuration of their outermost electrons is ns2 np6.
(d) Their compounds with metals are generally ionic in nature.
(e) Elemental halogens exist as diatomic molecules.

Which of the following substances is the strongest reducing agent?
(a) Cl2
(b) Cl-
(c) Br2
(d) Br-
(e) I2

Chlorine gas is prepared commercially by:
(a) electrolysis of carbon tetrachloride.
(b) oxidation of chloride ion with F2(g).
(c) electrolysis of NaCl(aq).
(d) oxidation of chloride ion with Br2(aq).
(e) electrolysis of AlCl3(aq).

Which one of the following does not correctly describe one or all of the hydrogen halides, HX?
(a) Their aqueous solutions are acidic.
(b) HF has the lowest of the H-X bond energies.
(c) HI is the largest.
(d) HCl has the lowest boiling point.
(e) HF exhibits hydrogen bonding.

Of the oxyacids listed below, which one possesses the greatest acid strength in water?
(a) HClO4
(b) H2CO3
(c) H3BO3
(d) HClO
(e) HBrO

Draw the correct Lewis formula for chlorous acid. The structure contains ___ single bonds, ___ double bonds and ___ lone pairs of electrons.
(a) 2, 1, 5
(b) 3, 0, 7
(c) 1, 2, 4
(d) 2, 1, 5
(e) none of these

Which of the following has a pyramidal structure (molecular geometry)?
(a) CBr4
(b) PF3
(c) BF3
(d) OF2
(e) BrCl

Which statement about the Group VIA elements is false?
(a) All have an outer electronic configuration of ns2 np4.
(b) The electronegativity of Group VIA elements decreases as one goes down the group.
(c) Most are found in sulfide deposits.
(d) Oxygen has the highest boiling point and melting point.
(e) Polonium has the smallest first ionization energy.

Which statement about the Group VIA hydrides is false?
(a) H2S, H2Se and H2Te are all gases at room temperature and atmospheric pressure.
(b) All are colorless.
(c) All except H2O are toxic.
(d) H2Po has the lowest boiling point.
(e) All are covalent compounds.

Which acid listed on the right cannot be obtained by adding water to the substance on the left?
(a) H2S2O7 - sulfuric acid
(b) SeO2 - selenous acid
(c) SO3 - sulfuric acid
(d) SO2 - sulfurous acid
(e) TeO2 - tellurous acid

Which of the following statements about sulfuric acid is false?
(a) It is a strong acid.
(b) One mole of sulfuric acid reacts completely with two moles of potassium hydroxide.
(c) The sulfur atom is sp2 hybridized.
(d) It is often present in acid rain.
(e) During the dilution of sulfuric acid, the correct method is to add sulfuric acid to water.

What maximum mass of sulfuric acid can be produced from the sulfur contained in 100 kilograms of iron pyrite that is 75.0% FeS2?
(a) 84.4 kg
(b) 123 kg
(c) 136 kg
(d) 144 kg
(e) 168 kg

In which one of the following is the oxidation state of nitrogen given incorrectly?
(a) N2O3, +3
(b) N2H4, +2
(c) HNO3, +5
(d) NaNO2, +3
(e) H2N2O2, +1

Which of the following does not correctly describe ammonia?
(a) pyramidal molecule
(b) polar molecule
(c) extremely soluble in water
(d) forms basic aqueous solutions
(e) none of these

Which compound gives photochemical smog a brownish color?
(a) NO
(b) HNO2
(c) NO2
(d) N2O4
(e) N2O3

What is the major mineral present in phosphate rock?
(a) Ca3(PO4)2
(b) Na2HPO4
(c) Ca10(PO4)6F2
(d) NaH2PO4
(e) Ca10(PO4)6(OH)2


1. (e) 2. (c) 3. (d) 4. (c) 5. (b) 6. (a) 7. (b) 8. (b) 9. (d) 10. (d) 11. (e) 12. (c) 13. (b) 14. (b) 15. (e) 16. (c) 17. (a)

Click here to return to the top.
Choose your next chapter:
 Fundamentals of Chemistry | Chemical Formulas & Composition Stoichiometry | Chemical Equations & Rxn Stoichiometry | Types of Chemical Reactions |
| Atomic Structure | Chemical Periodicity | Chemical Bonding | Molecular Structure/Covalent Bonding Theories| Molecular Orbital Theory |
| Acids/Bases/Salts - Theory & Rxns | Acids/Bases/Salts - Calculations (including balancing redox rxns) | Gases | Solids & Liquids | Solutions |
| Thermodynamics | Kinetics | Equilibrium | Aqueous Equilibrium - Acids/Bases/Salts | Aqueous Equilibrium - Buffers & Titrations |
| Aqueous Equilibrium - Slightly Soluble Salts | Electrochemistry | Metallurgy | Metal Properties & Rxns | Nonmetals & Metalloids |
| Coordination Compounds | Nuclear Chemistry | Organic Chem - Formulas/Names/Properties | Organic Chem - Shapes/Rxns/Biopolymers |

To report any corrections, please e-mail Dr. Wendy Keeney-Kennicutt.